The National Association for Stock Car Auto Racing is an American auto racing sanctioning and operating company that is best known for stock-car racing. Its three largest or National series are the Monster Energy NASCAR Cup Series, the Xfinity Series, and the Gander Outdoors Truck Series.

The National Association for Stock Car Auto Racing (NASCAR) is an American auto racing sanctioning and operating company that is best known for stock-car racing.[1] Its three largest or National series are the Monster Energy NASCAR Cup Series, the Xfinity Series, and the Gander Outdoors Truck Series. Regional series include the NASCAR K&N Pro Series East and West, the Whelen Modified Tour, NASCAR Pinty's Series, NASCAR Whelen Euro Series, and NASCAR PEAK Mexico Series. NASCAR sanctions over 1,500 races at over 100 tracks in 48 US states as well as in Canada, Mexico, and Europe. NASCAR has presented races at the Suzuka and Motegi circuits in Japan, and the Calder Park Thunderdome in Australia.[2] NASCAR also ventures into eSports via the PEAK Antifreeze NASCAR iRacing Series and a sanctioned ladder system on that title.

The privately owned company was founded by Bill France Sr. in 1948,[3] and Jim France has been CEO since August 6, 2018.[4] The company's headquarters is in Daytona Beach, Florida.[5] Internationally, its races are broadcast on television in over 150 countries.[6]